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Finding the Fourth Proportional to 952.32, 1,314.08 and 559.28

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Solution

The fourth proportional to 952.32, 1,314.08 and 559.28 is: 771.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.32 : 1,314.08 = 559.28 : x
  2. Step 2: Convert to fraction form
    952.32/1,314.08 = 559.28/x
  3. Step 3: Cross multiply
    952.32x = 1,314.08 × 559.28
  4. Step 4: Simplify right side
    952.32x = 734,938.66
  5. Step 5: Solve for x
    x = 734,938.66/952.32
  6. Step 6: Final answer
    x = 771.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.